The question :

Input file: customer’s account number, account balance at beginning of month, transaction type (withdrawal, deposit, interest), transaction amount

Output: account number, beginning balance, ending balance, total interest paid, total amount deposited, number of deposits, total amount withdrawn, number of withdrawals

package sentinel;

import java.io.*;
import java.util.*;

public class Ex7 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws FileNotFoundException
 {
        int AccountNum;
        double BeginningBalance;
        double TransactionAmount;
        int TransactionType;
        double AmountDeposited=0;
        int NumberOfDeposits=0;
        double InterestPaid=0.0;
        double AmountWithdrawn=0.0;
        int NumberOfWithdrawals=0;
        boolean found= false;

        Scanner inFile = new Scanner(new FileReader("Account.in"));
        PrintWriter outFile = new PrintWriter("Account.out");

           AccountNum = inFile.nextInt();
           BeginningBalance= inFile.nextDouble();

           while (inFile.hasNext())
        {
               TransactionAmount=inFile.nextDouble();
               TransactionType=inFile.nextInt();
                outFile.printf("Account Number: %d%n", AccountNum);
                outFile.printf("Beginning Balance: $%.2f %n",BeginningBalance);
                outFile.printf("Ending Balance: $%.2f %n",BeginningBalance);
                outFile.println();
               switch (TransactionType)
            {
                   case '1': // case 1 if we have a Deposite
                BeginningBalance = BeginningBalance
                        + TransactionAmount;
                AmountDeposited = AmountDeposited
                        + TransactionAmount;
                NumberOfDeposits++;
                outFile.printf("Amount Deposited: $%.2f %n",AmountDeposited);
                outFile.printf("Number of Deposits: %d%n",NumberOfDeposits);
                outFile.println();

                break;
                   case '2':// case 2 if we have an Interest
                BeginningBalance = BeginningBalance
                        + TransactionAmount;
                InterestPaid = InterestPaid
                        + TransactionAmount;
                outFile.printf("Interest Paid: $%.2f %n",InterestPaid);
                outFile.println();

                break;

                   case '3':// case 3 if we have a Withdraw
                BeginningBalance = BeginningBalance
                        - TransactionAmount;
                AmountWithdrawn = AmountWithdrawn
                        + TransactionAmount;
                NumberOfWithdrawals++;
                outFile.printf("Amount Withdrawn: $%.2f %n",AmountWithdrawn);
                outFile.printf("Number of Withdrawals: %d%n",NumberOfWithdrawals);
                outFile.println();

                    break;

                default:
                System.out.println("Invalid transaction Tybe: " + TransactionType
                        + TransactionAmount);

               }
           }
           inFile.close();
           outFile.close();
    }
}

But is gives me this :

Exception in thread "main" java.util.InputMismatchException
        at java.util.Scanner.throwFor(Scanner.java:840)
        at java.util.Scanner.next(Scanner.java:1461)
        at java.util.Scanner.nextInt(Scanner.java:2091)
        at java.util.Scanner.nextInt(Scanner.java:2050)
        at sentinel.Ex7.main(Ex7.java:36)
Java Result: 1